Initial project sync

scenes/components/streak_counter.gd

@@ -0,0 +1,63 @@
+class_name StreakCounter
+extends Node
+
+## Sole writer of the streak count (AnchorV1.0 "ComboCounter").
+## Pure fact subscriber: +1 on skill_executed, reset on miss / chart_reset.
+
+var streak := 0
+
+
+func _ready() -> void:
+	for bus: Node in _event_buses():
+		if bus.has_signal("skill_executed") and not bus.is_connected("skill_executed", _on_skill_executed):
+			bus.connect("skill_executed", _on_skill_executed)
+		if bus.has_signal("judgement_made") and not bus.is_connected("judgement_made", _on_judgement_made):
+			bus.connect("judgement_made", _on_judgement_made)
+		if bus.has_signal("time_anchor_resolved") and not bus.is_connected("time_anchor_resolved", _on_time_anchor_resolved):
+			bus.connect("time_anchor_resolved", _on_time_anchor_resolved)
+		if bus.has_signal("chart_reset") and not bus.is_connected("chart_reset", _on_chart_reset):
+			bus.connect("chart_reset", _on_chart_reset)
+
+
+func _on_skill_executed(_skill: Resource, _judgement: StringName) -> void:
+	streak += 1
+	_broadcast()
+
+
+func _on_judgement_made(quality: StringName, _offset_ms: float, _beat_index: int) -> void:
+	if quality != &"miss":
+		return
+	reset()
+
+
+func _on_time_anchor_resolved(_anchor: Dictionary, held: bool, _judgement: Dictionary) -> void:
+	if held:
+		return
+	reset()
+
+
+func _on_chart_reset(_chart_id: StringName) -> void:
+	reset()
+
+
+func reset() -> void:
+	if streak == 0:
+		return
+	streak = 0
+	_broadcast()
+
+
+func _broadcast() -> void:
+	for bus: Node in _event_buses():
+		if bus.has_signal("streak_changed"):
+			bus.emit_signal("streak_changed", streak)
+
+
+func _event_buses() -> Array[Node]:
+	var buses: Array[Node] = []
+	if not is_inside_tree():
+		return buses
+	for child: Node in get_tree().root.get_children():
+		if child.has_signal("skill_executed") and child.has_signal("streak_changed"):
+			buses.append(child)
+	return buses